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Turku in July: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Turku in July will be like? Take a look at our weather guide for Turku, based on historical data.
Check flight prices to Turku on Avionero:
July

Weather in Turku in July 2025

Good Weather
Mild
🌧️
Rainy
🌊
Cold water
Planning a trip to Turku in July? You are in luck! The weather is generally good, with an average maximum temperature of +70°F and approximately 9 sunny days. Just be prepared for some rain, as there are usually around 16 rainy days and 61 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.
Good to know:
  • July is usually the hottest month of the year in Turku;

Average weather

☀️
+70°F
Avg. max. temperature
+41°F
Min.
+91°F
Max.
61 mm
Total precipitation
72%
Avg. humidity
3 m/s
Avg. wind
9 ☀️
Sunny Days
4 ⛅️
Cloudy
16 🌦
Rainy
Our opinion: Turku has good weather in July.
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Average temperature in Turku in July

Here are the expected maximum, average and minimum temperatures in Turku for July based on the historical data.
Last Year
Historical Data

Going from a maximum of +77°F during the day to a minimum of +48°F during the night, the temperature in July averages around +68°F.

The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +66°F to +66°F.

Is Turku warm or cold in July?

Turku is typically mild in July.

Maximum temperatures go up compared to the previous month from +66°F to +70°F. The minimum temperature also goes up from +50°F to +55°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

July is the hottest month in Turku, here is the comparison with other months:

Water temperature in Turku in July

Water in Turku in July is Cold. It varies from +43°F to +71°F, with an average of +57°F. The air temperature averaging +70°F is higher than the water temperature.

The water temperature in July is one of the warmest of the entire year:

The warmest water temperatures in Turku are reached in August, when the average sea temperature rises to +58°F. The coldest water temperatures are in February, with an average of +32°F.

Can you swim in Turku in July?

We would not recommend swimming in Turku in July, the water is very cold (+57°F on average). Consider swimming only if you are an experienced cold-water swimmer with proper gear.
🦭
Cold
Below +61°F
🏄‍♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
You will need a full-body wetsuit, cap, gloves, a warm change of clothes, and a hot drink ready for after your swim.

Climate in Turku in July

Turku weather looks like this, on average, in July and the surrounding months.
JuneJulyAugust
Avg. temperature
+66°F+70°F+68°F
Min. temperature
+32°F+41°F+37°F
Max. temperature
+88°F+91°F+88°F
Rainfall
48 mm61 mm75 mm
Wind
3 m/s3 m/s3 m/s
Avg. water temperature
+49°F+57°F+58°F
Humidity
69%72%77%
Air pressure
1011 HPa1010 HPa1011 HPa
Sunny days
1097
Cloudy days
646
Rainy days
131617
Snowy days
000

July weather is still as good as in June. It’s getting warmer as July arrives. The average maximum temperature goes up from +66°F to +70°F during the day. Prepare for more rain. Average rainfall goes from 48 mm to 61 mm. Humidity rises from 69% to 72%. The average wind speed doesn’t change much during July, staying around 3 m/s. The days becoming less sunny, going from 10 sunny days in June to 9 in July.

Next month (August) brings a further decline in the weather.

Wind

Wind speed in Turku in July based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Turku is gradually increasing during July, going from 3 m/s to 3 m/s over the course of the month.

Rain

Amount of rainfall in mm during July in Turku based on historical data.
Last Year
Historical Data
Typically, there is a 61% chance of rain on an average day in July, with total rainfall of approximately 89 mm. The maximum amount of rainfall per day is around 16 mm, which is considered light rain. July is a pretty wet month with over 19 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
July is one of the rainiest months in Turku, here is a comparison with other months, total mm:
Turku wettest month is August, where a typical day has a 55% chance of precipitation and 75 mm of rainfall per day. February, on the other hand, is the driest month with a mere 7% chance of precipitation and 8 mm of rainfall per day.

How was the weather last July in Turku?

This is the weather in Turku in July 2023:
1 July
🌧️
+67°F
2 July
🌧️
+68°F
3 July
🌧️
+61°F
4 July
🌧️
+62°F
5 July
☁️
+65°F
6 July
☁️
+65°F
7 July
☁️
+64°F
8 July
☀️
+70°F
9 July
☀️
+68°F
10 July
☀️
+70°F
11 July
☀️
+74°F
12 July
☀️
+77°F
13 July
☀️
+70°F
14 July
☀️
+71°F
15 July
☀️
+74°F
16 July
☀️
+74°F
17 July
☀️
+68°F
18 July
☀️
+67°F
19 July
☀️
+68°F
20 July
🌧️
+65°F
21 July
☀️
+68°F
22 July
☀️
+67°F
23 July
☀️
+67°F
24 July
☀️
+70°F
25 July
☀️
+69°F
26 July
☀️
+70°F
27 July
☀️
+69°F
28 July
☀️
+66°F
29 July
☀️
+67°F
30 July
☀️
+72°F
31 July
☁️
+66°F
In July 2023 Turku had 22 sunny days, 4 cloudy days, and 5 rainy days. The average maximum temperature was +68°F, with an absolute maximum of +77°F and a minimum of +61°F. The average humidity was 78%, with a maximum of 100% and a minimum of 38%. The average wind speed was 3 m/s, with a maximum of 9 m/s and a minimum of 0 m/s.
Are you planning a trip in July?

Climate Change Over the Years

This is how Turku climate has changed over the last 43 years.

The climate in Turku in July has not changed that much over the last 43 years.

The average temperature was the lowest in 1987 (+43°F) and the highest in 2020 (+52°F). The driest year was 2003 with only 300 mm of rainfall, and the wettest year was 2020 with 615 mm.

FAQ

Frequently asked questions about the weather in Turku in July:

Is July a good time to visit Turku?

July is a really good time to go to Turku. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Turku.

Can you sunbathe in Turku in July?

July has mild temperatures in Turku. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Can you swim in Turku in July?

Swimming in Turku in July is challenging and not recommended for inexperienced swimmers or without proper equipment and preparation.

Is Turku rainy in July?

Turku is often rainy in July. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Turku in July?

Usually, it’s not very sunny in Turku in July, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Finland

Check out the weather for other cities in Finland.

Monthly weather in Turku

Source of the data

For this page, we’ve looked at the typical weather in Turku, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.